<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区 -->
      <div class="avater_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- form表单区 -->
      <el-form ref="loginFromRef" :model="loginForm" :rules="loginFormRules" label-width="auto" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" placeholder="用户名" prefix-icon="UserFilled" />
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" placeholder="密码" prefix-icon="Lock" />
        </el-form-item>
        <!-- 按钮区 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'superman',
        password: 'superman'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }
        ]
      }
    }
  },

  methods: {
    resetLoginForm() {
      this.$refs.loginFromRef.resetFields()
    },
    login() {
      this.$refs.loginFromRef.validate(valid => {
        if (!valid) return
        console.log(this.loginForm)
        this.$http.post('/login/loginByName', this.loginForm).then((result) => {
          console.log(result)
          if (result.data.success !== true) return this.$message.error('登录失败')
          console.log('登录成功🏅' + result.data.obj.token)
          this.$message.success('登录成功🏅')
          window.sessionStorage.setItem('token', result.data.obj.token)
          this.$router.push('/home')
        }).catch((err) => {
          console.log(err)
        })
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .avater_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.btns {
  display: flex;
  justify-content: flex-end;
}

.login_form {
  width: 100%;
  position: absolute;
  bottom: 0;
  padding: 0 10px;
  box-sizing: border-box;
}
</style>
